Switch no longer turns on the light

I have a few of these switches in my home that were installed by an electrician. One of them seems to have power. I can access it from the app and I hear the swtich click when I push the button. The lights on the switch are also on. However, it no longer turns the lights on. It is connected to 2 outdoor fixtures with 3 low-wattage LED bulbs in them. It has been this way for a long time with daily use (on a program) and never had a problem. I tried updating the firmware in hopes of kickstarting it, but that hasn't helped either. I've confirmed that the bulbs are good as well.